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8 SCHEMATIC DIAGRAMS
8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM
CAUTION THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMAR
FROM THE SECONDARY CIRCUIT.
PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVIC
THE PRODUCTS.
HOT
F
C1121
1000P
P1101 D1140
VJS4121 DF08S-6622
F1101
VSF0243C16 L1121 L1120
ELF15N005A ELF15N003A
4 1
2 1 2 1
R1150
1M
D1110 C1120 C1141
ERZVA5V471 0.068 400V33
AC INLET
R1154
1M
3 4 3 4
3 2
E
-233 R1162 R1163
D Q1153 1K 100
-237
2SK2876
(VOLTAGE
CONTROL)
40.1
C1155
270P
C1210
3300P LR1150
VLP0392
C 1 2 3
-233
C1154 R1153
Q1150 4.6
0.022 330
FS4KM-12A-AS
(VOLTAGE CONTROL)
R1155
0 100K
D1150
AU01ZV2
4.6 R1157 D1157
4.6 Q1151 0.3
1800 MA4027L
B R1161
100 Q1152
2SD1992A
(VOLTAGE
0 CONTROL)
2SC3311A
R1160 (VOLTAGE
0.51 CONTROL) C1151 D1155
(1W) 0.047 MA165
C1153
0.1
R1159 R1158
3.3 330
A
NOTE1:WHEN MEASURE THE VOLTAGE OR WAVEFORM ON THE POWER TRA
CIRCUIT,SET THE GND TERMINAL OF MEASURING POINT AS FOLLOWS
PRIMARY SIDE.....
IMPORTANT SAFETY NOTICE: SECONDARY SIDE...
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. NOTE2:THE DC VOLTAGE INDICATED IN PRIMARY SIDE IS SHOWN THE VOLTA
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE. INPUT AC IS 240V.
1 2 3 4 5
41
M
ISH THE PRIMARY
AIR AND SERVICE OF
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
T :TO TIMER SECTION
T1150
ETS29AZ286AC
S7
18 HEATER DC(-) R T
C1280
10V100
D1280
11EQS04
S6
2 17 HEATER DC(+) R
R1150
1M
D1270
C1141 MA185
400V33 P2 S5
3 16 UNREG -29V R
R1154 C1270
1M 50V22
S4B
4 15
P1 S4A
5 14
D1250 L1250
ERA85-009V5 22u
S2
6 13 UNREG 14V R S
C1250 C1251 R1200 R1207
D1251 25V680 25V100 39K 33K
ERA85-009V5
B2
7 12
D1263 L1260
21DQ04FC4 22u
B1 S3
8 11 UNREG 6V R
C1260 C1261
LB1213 10V1000 10V330
J0JHC0000070
S1
10
C1123 D1230
1000P MA185
2 3 UNREG 36V R
C1230 D1180
50V22 MA7510
GND R
IC1200
uPC1093J
TO BOTTOM PLATE
R1157 D1157
1800 MA4027L
Q1200
D1152
PC123ZY2
MA185 C A R R1208
4.6 2.5 8200
D1155 5.8 6.1
MA165 4 1
R1205
R1156 R1206 2200 C1200 R1204 R1209
33 270 0.1 12K 56K
0.9 5.0
3 2
R1158 C1152 R1203 R1202
330 0.01 33K 2200
NV-HV65EC,
RM ON THE POWER TRANSFORMER HV60EB/EBL/EC/EP,
NG POINT AS FOLLOWS.
HV55EC,HV50EC
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR POWER TRANSFORMER
E IS SHOWN THE VOLTAGE WHEN ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
NOTE:THE MEASURMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. SECTION SCHEMATIC DIAGRAM
5 6 7 8 9 10
41
8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM
P :TO POWER TRANSFORMER SECTION VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGN
S :TO SYSTEM CONTROL & SERVO SECTION
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGN
V :TO LUMINANCE & CHROMINANCE/AUDEIO SECTION
A :TO Hi-Fi AUDIO SECTION Q1013 Q1003
2SD601A 2SB710
I :TO INPUT/OUTPUT SECTION (FIP ON/OFF CONTROL) (POWER SAVE C
G T :TO TIMER SECTION -30.7 -30.7 37.1
D :TO DECODER SECTION C1026 R1003 R1026 R1001 R1014
0.1 27K 6800 5.2 R1027 R1028 33K 4700 36
3300 3300
R
1
P UNREG -29V
5.2
0 QR1003 C1025
S FIP L UN2112 0.1
(FIP L :ON)
T FIP -29V 5.2
S SLEEP H
F P UNREG 36V
P UNREG 14V
P UNREG 6V
R1024
5600 Q1005
2SC1959Y
(12V REG.)
Q1001 15.6 12.3
2SD602A C1008 R1013 R1015
0.1 13.1 10K 10K
(BUFFER)
P HEATER DC (+)
-17.0 -17.0
C1004 D1003
R1006 25V47 MA4130NL
5600 -16.2
E P HEATER DC (-)
R1005
5600
P GND
S V A GND Q1009
I T D GND 2SC1959Y
S V A T GND (SYS) (5V REG.)
S T GND (FIP)
5.9 5.2 12.3
S GND (CTL)
C1019
S GND (FG) 0.1 6.0 QR1004 0
S GND (MOTOR) UN2111
V A GND (A) (POWER ON/OFF
V A GND (HA) Q1008 CONTROL)
12.2
D V
V
GND (V)
GND (NA)
2SC1959Y
(5V REG.)
I GND (AV)
5.9 5.1
C1018
0.1 6.0 R1022 R1025
150 150
C1016 D1011
16V100 MA4051NM 0
QR1005
D1012
UN2211
T HEATER (+) MA165 (POWER ON:ON)
C S POWER OFF L
S D REG 5V
V VIDEO 5V
S A I PS 12V
S V A I PS 5V
V BIAS 5V
S T N.SW 5V
Q1007
B 2SC1959Y
(5V REG.)
A RFC AUDIO OUT A1
5.9 5.3
I RFC VIDEO OUT A2
S SYS IIC CLOCK A3
5.9
S SYS IIC DATA A4 Q1002 Q1006
S SW2 A5 2SC1959Y 2SC1959Y
D SIF A6 (5V REG.) (5V REG.)
S AFC S-CURVE A7
5.9 5.2 5.9 5.1
I TUNER VIDEO A8
R1008 C1003 C1009
470 0.1 5.9 0.1 5.9 R1009
470
C1002 D1002 C1011 D1005
25V47 MA4056NH 25V47 MA4056NH
A
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE. NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE
1 2 3 4 5
42
AUDIO MAIN SIGNAL PATH IN REC MODE
AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE
TUNER UNIT
Q1003
2SB710A TU7601
(POWER SAVE CONTROL) ENG47327G1:A/E
37.1 37.1
ENG47328G1:B
1 R1014
ENG47329G1:C/D
4700 36.4 L7601
27u
1 N.SW 5V
R1016 C7603 C7605 R7603
10K 6V100 0.01 0
A1 2 AUDIO OUT
R7606
100
3 DATA
L7602
27u
4 PS 5V
C7604 R7605
6V100 100
5 CLOCK
L7603
27u
A2 6 VIDEO OUT
7
R1013 R1015
10K 10K R7608 C7611
100 33P
A3 8 AGC
C7612
C7609 0.1
33P
9 BT
10
11 CLOCK
R7607
100
A4 12 DATA
C7610
12.3 33P
13
R1004 0 L7605
N2111 2.2u
WER ON/OFF 14 REG 5V
NTROL)
12.2 C7614 C7615
6V100 0.01
15 SW1
R7612 R7611
330 330
R1025 16 BTL 30V
150
C7607 D7601
50V1 MA4300M
17 IF OUT
0
QR1005 4.8 (C/D)
18 IF IN
UN2211
(POWER ON:ON) A5
C7619 K7611
0.1 J0JBC0000041
DU7601
19 SW1 PK0701-1
TO TV DEMODULATOR
20 SW2 PK0701-2
21 PK0701-3
PACK PK0701(D-1)
A6 22 SIF PK0701-4
L7606 23 AFC S-CURVE PK0701-5
0 24 TUNER VIDEO PK0701-6
25 REG 5V PK0701-7
26 PK0701-8
A7 27 GND PK0701-9
C7617
0.01
(A/C/D/E) R7614
150
A8
R7613
150
NV-HV65EC,
HV60EB/EBL/EC/EP,
HV55EC,HV50EC
NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF
SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU
DIAGRAM IS STOP MODE. ORDER A PART,PLEASE REFER TO PARTS LIST. SECTION SCHEMATIC DIAGRAM
6 7 8 9 10
42
8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM
DP7501
A2BA00000212
P :TO POWER TRANSFORMER SECTION
R :TO POWER SUPPLY/RF SECTION
S :TO SYSTEM CONTROL & SERVO SECTION
A :TO Hi-Fi AUDIO SECTION
S-VHS ET
R
SP LP EP
F
F- P1 P2 P3 P4 P5 P6 P7 P8 NC P9 P10 P11
1 2 5 6 7 8 9 10 11 12 13 14 15 16
R7507
39
R HEATER (+)
C7501
0.01
P HEATER DC (-)
D7501 C7502 R7511 R7510
MA4240NM 50V10 820 820
E
R7509
100
R FIP -29V
-10.1
-15.3
-25.3
-25.3
-10.1
-25.3
-20.3
-20.3
-20.3
-15.3
-20.2
36 35 34 33 32 31 30 29 28 27 26
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
IC7501
D M35502AFP
S CLOCK
S DATA
CS L
OSC
VCC
VSS
G1
A3
A2
A5
A4
1 2 3 4 5 6 7 8 9 10 11
4.7
4.8
2.4
5.2
5.2
5.2
5.2
2.3
5.2
-25.7
S S.DATA R7512
S S.CLOCK 0
S FIP CS
S SAFETY TAB L C7503
12P
C SAFETY
IC7502
PNA4618M08V
TAB
(IR RECEIVER)
POWER S7507
S7506 K0C111A00006
EVQ11L07B
R OUT
GND
S POWER KEY
VCC
R7521
R7517 10K
R7518 10K
R7513 30K
R7515 30K
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